public function registerAction(Request $request)
 {
     /* Codigo añadido para capturar peticion AJAX.    */
     // Respuesta AJAX para filtrar las ciudades de cada pais
     $request = $this->container->get('request');
     if ($request->isXmlHttpRequest()) {
         $pais = $request->request->get('fos_user_registration_form')['nombre_pais'];
         $em = $this->container->get('doctrine')->getManager();
         $consulta = $em->createQuery("SELECT p FROM JMPC\\PetFriends\\ProtectorsBundle\\Entity\\Province p WHERE p.pais_ciudad = '{$pais}' ORDER BY p.ciudad ASC");
         $provincias = $consulta->getArrayResult();
         $response = new Response(json_encode(array('ciudades' => $provincias)));
         $response->headers->set('Content-Type', 'application/json');
         return $response;
     }
     /****************************************************/
     /** @var $formFactory \FOS\UserBundle\Form\Factory\FactoryInterface */
     $formFactory = $this->container->get('fos_user.registration.form.factory');
     /** @var $userManager \FOS\UserBundle\Model\UserManagerInterface */
     $userManager = $this->container->get('fos_user.user_manager');
     /** @var $dispatcher \Symfony\Component\EventDispatcher\EventDispatcherInterface */
     $dispatcher = $this->container->get('event_dispatcher');
     $user = $userManager->createUser();
     $user->setEnabled(true);
     $dispatcher->dispatch(FOSUserEvents::REGISTRATION_INITIALIZE, new UserEvent($user, $request));
     $form = $formFactory->createForm();
     $form->setData($user);
     if ('POST' === $request->getMethod()) {
         $form->bind($request);
         if ($form->isValid()) {
             $event = new FormEvent($form, $request);
             $dispatcher->dispatch(FOSUserEvents::REGISTRATION_SUCCESS, $event);
             $userManager->updateUser($user);
             /*******************************************************/
             /* Crea una nueva entidad Fotos para el nuevo User */
             /* para almacenar las fotos del perfil del usuario     */
             $fotos = new Fotos();
             $em = $this->container->get('doctrine')->getManager();
             $fotos->setFotoUsuario('avatar.png');
             $fotos->setFotoMascota('avatar_mascota.png');
             $fotos->setUsuario($user);
             $em->persist($fotos);
             $em->flush();
             /***********************************************/
             $this->container->get('session')->getFlashBag()->set('confirmacion', 'Bienvenido a PetsFriends. En breve recibiras un email de confirmación para tener acceso completo a nuestra web');
             if (null === ($response = $event->getResponse())) {
                 $url = $this->container->get('router')->generate('fos_user_registration_confirmed');
                 $response = new RedirectResponse($url);
             }
             $dispatcher->dispatch(FOSUserEvents::REGISTRATION_COMPLETED, new FilterUserResponseEvent($user, $request, $response));
             return $response;
         }
     }
     //return $this->container->get('templating')->renderResponse('FOSUserBundle:Registration:register.html.'.$this->getEngine(), array(
     return $this->render('FOSUserBundle:Registration:register.html.twig', array('form' => $form->createView()));
 }
 /**
  * {@inheritDoc}
  */
 public function getUsuario()
 {
     $this->__initializer__ && $this->__initializer__->__invoke($this, 'getUsuario', array());
     return parent::getUsuario();
 }